A woman is only a woman, but a good cigar is a smoke.--_Rudyard Kipling_. AUNT MARY--(horrified) "Good gracious. Harold, what would your mother say if she saw you smoking cigarets?" HAROLD (calmly)--"She'd have a fit. They're her cigarets.... Read more of SMOKING at Free Jokes.caInformational Site Network Informational

   Home - Science Experiments - Things Worth Knowing - Wise Facts - Curious Facts


The best crucibles are made of a pure fire clay, mixed with
finely ground cement of oil crucibles, and a portion of black lead or
graphite; some pounded coke may be mixed with the plumbago. The clay
should be prepared in a similar way as for making pottery ware. The
vessels, after being formed, must be slowly dried, and then properly
baked in a kiln.

Black Lead Crucibles are made of two parts of Graphite and one of
Fire Clay, mixed with Water into a paste, pressed in moulds, and well
dried, but not baked hard in the kiln. This compound forms excellent
small or portable furnaces.

Next: What To Invent

Previous: Barber's Shampooing Mixture

Add to Informational Site Network

Viewed 3386